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ENH: do not change relative pos for multi object copy 

Change-Id: Id54e119ebb72ca90989c13b221b9be72e4ac2f86
This commit is contained in:
Arthur 2022-09-05 19:36:09 +08:00 committed by Lane.Wei
parent 0ed1d2ed34
commit b8846f675f
1 changed files with 33 additions and 8 deletions
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41
src/slic3r/GUI/Selection.cpp
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@ -2615,20 +2615,45 @@ void Selection::paste_objects_from_clipboard()
std::vector<size_t> object_idxs;
const ModelObjectPtrs& src_objects = m_clipboard.get_objects();
PartPlate * plate = wxGetApp().plater()->get_partplate_list().get_curr_plate();
//BBS: if multiple objects are selected, move them as a whole after copy
Vec2d shift_all = {0, 0};
if (src_objects.size() > 1) {
BoundingBoxf3 bbox_all;
for (const ModelObject *src_object : src_objects) {
BoundingBoxf3 bbox = src_object->instance_convex_hull_bounding_box(0);
bbox_all.merge(bbox);
}
auto bsize = bbox_all.size();
if (bsize.x() < bsize.y())
shift_all = {bbox_all.size().x(), 0};
else
shift_all = {0, bbox_all.size().y()};
}
for (const ModelObject* src_object : src_objects)
{
ModelObject* dst_object = m_model->add_object(*src_object);
// BBS: find an empty cell to put the copied object
BoundingBoxf3 bbox = src_object->instance_convex_hull_bounding_box(0);
PartPlate* plate = wxGetApp().plater()->get_partplate_list().get_curr_plate();
bool in_current = plate->intersects(bbox);
auto start_offset = in_current?src_object->instances.front()->get_offset():plate->get_build_volume().center();
auto start_point = in_current?bbox.center():plate->get_build_volume().center();
auto point_offset = start_offset - start_point;
auto empty_cell = wxGetApp().plater()->canvas3D()->get_nearest_empty_cell({start_point(0), start_point(1)});
Vec3d displacement = { empty_cell.x() + point_offset.x(), empty_cell.y() + point_offset.y(), start_point(2) };
Vec3d displacement;
if (shift_all(0) != 0 || shift_all(1) != 0) {
// BBS: if multiple objects are selected, move them as a whole after copy
auto start_point = bbox.center();
displacement = {shift_all.x() + start_point.x(), shift_all.y() + start_point.y(), start_point(2)};
} else {
// BBS: if only one object is copied, find an empty cell to put it
bool in_current = plate->intersects(bbox);
auto start_point = in_current ? bbox.center() : plate->get_build_volume().center();
auto start_offset = in_current ? src_object->instances.front()->get_offset() : plate->get_build_volume().center();
auto point_offset = start_offset - start_point;
auto empty_cell = wxGetApp().plater()->canvas3D()->get_nearest_empty_cell({start_point(0), start_point(1)});
displacement = {empty_cell.x() + point_offset.x(), empty_cell.y() + point_offset.y(), start_point(2)};
}
for (ModelInstance* inst : dst_object->instances)
inst->set_offset(displacement);